mirror of https://git.ffmpeg.org/ffmpeg.git
mmf: K&R formatting cosmetics
Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Luca Barbato
Diego Biurrun
parent
f243bf7aa2
commit
ee9a4dff4a
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@ -21,8 +21,8 @@
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#include "libavutil/channel_layout.h"
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#include "avformat.h"
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#include "internal.h"
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#include "avio_internal.h"
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#include "internal.h"
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#include "pcm.h"
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#include "riff.h"
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@ -35,7 +35,7 @@ static const int mmf_rates[] = { 4000, 8000, 11025, 22050, 44100 };
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static int mmf_rate(int code)
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{
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if((code < 0) || (code > 4))
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if ((code < 0) || (code > 4))
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return -1;
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return mmf_rates[code];
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}
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@ -44,8 +44,8 @@ static int mmf_rate(int code)
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static int mmf_rate_code(int rate)
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{
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int i;
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for(i = 0; i < 5; i++)
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if(mmf_rates[i] == rate)
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for (i = 0; i < 5; i++)
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if (mmf_rates[i] == rate)
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return i;
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return -1;
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}
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@ -69,8 +69,9 @@ static int mmf_write_header(AVFormatContext *s)
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int rate;
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rate = mmf_rate_code(s->streams[0]->codec->sample_rate);
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if(rate < 0) {
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av_log(s, AV_LOG_ERROR, "Unsupported sample rate %d\n", s->streams[0]->codec->sample_rate);
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if (rate < 0) {
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av_log(s, AV_LOG_ERROR, "Unsupported sample rate %d\n",
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s->streams[0]->codec->sample_rate);
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return -1;
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}
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@ -82,7 +83,7 @@ static int mmf_write_header(AVFormatContext *s)
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avio_w8(pb, 0); /* code type */
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avio_w8(pb, 0); /* status */
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avio_w8(pb, 0); /* counts */
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avio_write(pb, "VN:libavcodec,", sizeof("VN:libavcodec,") -1); /* metadata ("ST:songtitle,VN:version,...") */
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avio_write(pb, "VN:libavcodec,", sizeof("VN:libavcodec,") - 1); /* metadata ("ST:songtitle,VN:version,...") */
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end_tag_be(pb, pos);
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avio_write(pb, "ATR\x00", 4);
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@ -120,7 +121,7 @@ static int mmf_write_packet(AVFormatContext *s, AVPacket *pkt)
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/* Write a variable-length symbol */
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static void put_varlength(AVIOContext *pb, int val)
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{
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if(val < 128)
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if (val < 128)
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avio_w8(pb, val);
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else {
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val -= 128;
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@ -142,7 +143,7 @@ static int mmf_write_trailer(AVFormatContext *s)
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end_tag_be(pb, mmf->atrpos);
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end_tag_be(pb, 8);
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pos = avio_tell(pb);
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pos = avio_tell(pb);
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size = pos - mmf->awapos;
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/* Fill Atsq chunk */
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@ -197,11 +198,13 @@ static int mmf_read_header(AVFormatContext *s)
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avio_skip(pb, 4); /* file_size */
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/* Skip some unused chunks that may or may not be present */
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for(;; avio_skip(pb, size)) {
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tag = avio_rl32(pb);
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for (;; avio_skip(pb, size)) {
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tag = avio_rl32(pb);
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size = avio_rb32(pb);
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if(tag == MKTAG('C','N','T','I')) continue;
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if(tag == MKTAG('O','P','D','A')) continue;
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if (tag == MKTAG('C', 'N', 'T', 'I'))
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continue;
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if (tag == MKTAG('O', 'P', 'D', 'A'))
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continue;
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break;
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}
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@ -218,8 +221,8 @@ static int mmf_read_header(AVFormatContext *s)
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avio_r8(pb); /* format type */
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avio_r8(pb); /* sequence type */
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params = avio_r8(pb); /* (channel << 7) | (format << 4) | rate */
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rate = mmf_rate(params & 0x0f);
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if(rate < 0) {
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rate = mmf_rate(params & 0x0f);
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if (rate < 0) {
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av_log(s, AV_LOG_ERROR, "Invalid sample rate\n");
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return -1;
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}
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@ -228,11 +231,13 @@ static int mmf_read_header(AVFormatContext *s)
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avio_r8(pb); /* time base g */
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/* Skip some unused chunks that may or may not be present */
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for(;; avio_skip(pb, size)) {
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tag = avio_rl32(pb);
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for (;; avio_skip(pb, size)) {
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tag = avio_rl32(pb);
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size = avio_rb32(pb);
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if(tag == MKTAG('A','t','s','q')) continue;
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if(tag == MKTAG('A','s','p','I')) continue;
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if (tag == MKTAG('A', 't', 's', 'q'))
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continue;
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if (tag == MKTAG('A', 's', 'p', 'I'))
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continue;
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break;
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}
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@ -247,13 +252,14 @@ static int mmf_read_header(AVFormatContext *s)
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if (!st)
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return AVERROR(ENOMEM);
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st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
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st->codec->codec_id = AV_CODEC_ID_ADPCM_YAMAHA;
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st->codec->sample_rate = rate;
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st->codec->channels = 1;
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st->codec->channel_layout = AV_CH_LAYOUT_MONO;
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st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
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st->codec->codec_id = AV_CODEC_ID_ADPCM_YAMAHA;
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st->codec->sample_rate = rate;
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st->codec->channels = 1;
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st->codec->channel_layout = AV_CH_LAYOUT_MONO;
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st->codec->bits_per_coded_sample = 4;
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st->codec->bit_rate = st->codec->sample_rate * st->codec->bits_per_coded_sample;
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st->codec->bit_rate = st->codec->sample_rate *
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st->codec->bits_per_coded_sample;
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avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
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@ -262,8 +268,7 @@ static int mmf_read_header(AVFormatContext *s)
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#define MAX_SIZE 4096
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static int mmf_read_packet(AVFormatContext *s,
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AVPacket *pkt)
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static int mmf_read_packet(AVFormatContext *s, AVPacket *pkt)
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{
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MMFContext *mmf = s->priv_data;
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int ret, size;
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@ -272,10 +277,10 @@ static int mmf_read_packet(AVFormatContext *s,
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return AVERROR(EIO);
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size = MAX_SIZE;
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if(size > mmf->data_size)
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if (size > mmf->data_size)
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size = mmf->data_size;
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if(!size)
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if (!size)
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return AVERROR(EIO);
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if (av_new_packet(pkt, size))
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@ -303,17 +308,18 @@ AVInputFormat ff_mmf_demuxer = {
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.read_seek = ff_pcm_read_seek,
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};
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#endif
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#if CONFIG_MMF_MUXER
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AVOutputFormat ff_mmf_muxer = {
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.name = "mmf",
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.long_name = NULL_IF_CONFIG_SMALL("Yamaha SMAF"),
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.mime_type = "application/vnd.smaf",
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.extensions = "mmf",
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.priv_data_size = sizeof(MMFContext),
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.audio_codec = AV_CODEC_ID_ADPCM_YAMAHA,
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.video_codec = AV_CODEC_ID_NONE,
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.write_header = mmf_write_header,
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.write_packet = mmf_write_packet,
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.write_trailer = mmf_write_trailer,
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.name = "mmf",
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.long_name = NULL_IF_CONFIG_SMALL("Yamaha SMAF"),
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.mime_type = "application/vnd.smaf",
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.extensions = "mmf",
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.priv_data_size = sizeof(MMFContext),
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.audio_codec = AV_CODEC_ID_ADPCM_YAMAHA,
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.video_codec = AV_CODEC_ID_NONE,
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.write_header = mmf_write_header,
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.write_packet = mmf_write_packet,
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.write_trailer = mmf_write_trailer,
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};
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#endif
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